Photo by Jen Morrissey

MUSIC: Celebrate a Merry TubaChristmas with dozens of D.C. tuba, sousaphone, and euphonium players performing Christmas melodies on the Kennedy Center Millennium stage (2700 F Street NW). 6 p.m. Free.

>> Check out your other live music options in the Weekly Music Agenda.

SPEED DATING: The DC Rollergirls know a thing or two about speed on the court, but tonight you can test their skills at speed dating. Meet some single, rollerskating ladies tonight at Chi-Cha Lounge (1624 U Street NW). 7-9 p.m. Tickets: $30 (use the promo code “DCRG” to get $10 off).

FOOD & DRINK: The Big Board (421 H Street NE) presents a “Fast Food” Beer Dinner tonight featuring Chocolate City Beers. Beer-paired menu items include: In and Out Burger “Animal” Style Fries, Veal Sweet Bread “McNuggets,” Tacos de Carnitas, Braised Beef Short Rib “Mexican Pizza,” Bojangles Fried Chicken Box, and a Choco Taco. Call 202-543-3630 for reservations. 6:30-9:00 p.m. $60.

>> Raise a glass to our curly-tailed friends at Jackson 20’s (480 King Street Alexandria VA) four-course Pigs and Pinot dinner this evening. Pair a selection of wines with pork shoulder, duck bacon ravioli, confit pork cheek, and more. Call 703-842-2790 for reservations. Reception at 6 p.m., dinner at 6:30 p.m. $85 (plus tax and tip).

ADVENTURE: Hear the tale of Nat Geo Traveler editor Andrew Evans’s 10,000 mile bus trip from D.C. to Antartica at National Geographic Live (1600 M Street NW) tonight. 7:30 p.m. $20.